68 Synonyms for Intelligent and Related Words

Antonyms

Unintelligent, stupid, dull, dense, slow, dim-witted, lacking intelligence, unthinking, not intelligent.

Related Words

Alert, clever, quick-witted, bright, brilliant, astute, keen, sharp, smart, quick, canny, cunning, shrewd, wise, savvy, learned, knowledgeable, well-informed, insightful.

Example Sentences

I was impressed by their intelligent questions.
She had a reputation for being a quick-witted and intelligent woman.
The students were exceptionally bright and intelligent.
He is very astute and quick on the uptake.
I admire her sharp mind and intelligent insights.